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Gear Tooth Proportions: spur
spur 20 stub metric whole depth to spur 25 full english working depth
Gear tooth proportions — standard dimensions and formulas for spur, helical, bevel, and worm gears per AGMA standards
| gear type | record id | formula | parameter | pressure angle deg | standard | tooth form | value factor (dimensionless) |
|---|---|---|---|---|---|---|---|
| spur | spur 20 stub metric whole depth | 1.8m | whole depth | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.8 |
| spur | spur 20 stub metric working depth | 1.6m | working depth | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.6 |
| spur | spur 25 full english addendum | 1/P | addendum | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 1 |
| spur | spur 25 full english circular pitch | pi/P | circular pitch | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 3.141593 |
| spur | spur 25 full english clearance | 0.25/P | clearance | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 0.25 |
| spur | spur 25 full english dedendum | 1.25/P | dedendum | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 1.25 |
| spur | spur 25 full english fillet radius | 0.3/P | fillet radius | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 0.3 |
| spur | spur 25 full english tooth thickness | pi/(2P) | tooth thickness | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 1.570796 |
| spur | spur 25 full english whole depth | 2.25/P | whole depth | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 2.25 |
| spur | spur 25 full english working depth | 2/P | working depth | 25 | AGMA 201.02 / ANSI/AGMA 1012-G05 | full depth | 2 |
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